<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8" />
    <title>Tororo</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <script type="text/javascript" src="bundle.js"></script>
</head>

<body style="background-color: #f3f4f6;"><!-- #f5f6f7 border:dashed 1px #CCC-->
<div style="width: 100%;height: 100%;margin-top: 80px;text-align: center;">
    <canvas id="live2dcanvas" width="300" height="400" style=""></canvas>
</div>
<span class="js-cursor-container"></span>

<script>
    /** 拖尾特效 */
    (function fairyDustCursor() {

        var possibleColors = ["#D61C59", "#E7D84B", "#1B8798"]
        var width = window.innerWidth;
        var height = window.innerHeight;
        var cursor = { x: width / 2, y: width / 2 };
        var particles = [];

        function init() {
            bindEvents();
            loop();
        }

        // Bind events that are needed
        function bindEvents() {
            document.addEventListener('mousemove', onMouseMove);
            window.addEventListener('resize', onWindowResize);
        }

        function onWindowResize(e) {
            width = window.innerWidth;
            height = window.innerHeight;
        }

        function onMouseMove(e) {
            cursor.x = e.clientX;
            cursor.y = e.clientY;

            addParticle(cursor.x, cursor.y, possibleColors[Math.floor(Math.random() * possibleColors.length)]);
        }

        function addParticle(x, y, color) {
            var particle = new Particle();
            particle.init(x, y, color);
            particles.push(particle);
        }

        function updateParticles() {

            // Updated
            for (var i = 0; i < particles.length; i++) {
                particles[i].update();
            }

            // Remove dead particles
            for (var i = particles.length - 1; i >= 0; i--) {
                if (particles[i].lifeSpan < 0) {
                    particles[i].die();
                    particles.splice(i, 1);
                }
            }

        }

        function loop() {
            requestAnimationFrame(loop);
            updateParticles();
        }

        /**
         * Particles
         */

        function Particle() {

            this.character = "*";
            this.lifeSpan = 120; //ms
            this.initialStyles = {
                "position": "fixed",
                "display": "inline-block",
                "top": "0px",
                "left": "0px",
                "pointerEvents": "none",
                "touch-action": "none",
                "z-index": "10000000",
                "fontSize": "25px",
                "will-change": "transform"
            };

            // Init, and set properties
            this.init = function (x, y, color) {

                this.velocity = {
                    x: (Math.random() < 0.5 ? -1 : 1) * (Math.random() / 2),
                    y: 1
                };

                this.position = { x: x + 10, y: y + 10 };
                this.initialStyles.color = color;

                this.element = document.createElement('span');
                this.element.innerHTML = this.character;
                applyProperties(this.element, this.initialStyles);
                this.update();

                document.querySelector('.js-cursor-container').appendChild(this.element);
            };

            this.update = function () {
                this.position.x += this.velocity.x;
                this.position.y += this.velocity.y;
                this.lifeSpan--;

                this.element.style.transform = "translate3d(" + this.position.x + "px," + this.position.y + "px, 0) scale(" + (this.lifeSpan / 120) + ")";
            }

            this.die = function () {
                this.element.parentNode.removeChild(this.element);
            }

        }

        /**
         * Utils
         */

        // Applies css `properties` to an element.
        function applyProperties(target, properties) {
            for (var key in properties) {
                target.style[key] = properties[key];
            }
        }

        if (!('ontouchstart' in window || navigator.msMaxTouchPoints)) init();
    })();

    /** 点击特效 */
    (function clickEffect() {
        let balls = [];
        let longPressed = false;
        let longPress;
        let multiplier = 0;
        let width, height;
        let origin;
        let normal;
        let ctx;
        const colours = ["#F73859", "#14FFEC", "#00E0FF", "#FF99FE", "#FAF15D"];
        const canvas = document.createElement("canvas");
        document.body.appendChild(canvas);
        canvas.setAttribute("style", "width: 100%; height: 100%; top: 0; left: 0; z-index: 99999; position: fixed; pointer-events: none;");
        const pointer = document.createElement("span");
        pointer.classList.add("pointer");
        document.body.appendChild(pointer);

        if (canvas.getContext && window.addEventListener) {
            ctx = canvas.getContext("2d");
            updateSize();
            window.addEventListener('resize', updateSize, false);
            loop();
            window.addEventListener("mousedown", function(e) {
                pushBalls(randBetween(10, 20), e.clientX, e.clientY);
                document.body.classList.add("is-pressed");
                longPress = setTimeout(function(){
                    document.body.classList.add("is-longpress");
                    longPressed = true;
                }, 500);
            }, false);
            window.addEventListener("mouseup", function(e) {
                clearInterval(longPress);
                if (longPressed == true) {
                    document.body.classList.remove("is-longpress");
                    pushBalls(randBetween(50 + Math.ceil(multiplier), 100 + Math.ceil(multiplier)), e.clientX, e.clientY);
                    longPressed = false;
                }
                document.body.classList.remove("is-pressed");
            }, false);
            window.addEventListener("mousemove", function(e) {
                let x = e.clientX;
                let y = e.clientY;
                pointer.style.top = y + "px";
                pointer.style.left = x + "px";
            }, false);
        } else {
            console.log("canvas or addEventListener is unsupported!");
        }


        function updateSize() {
            canvas.width = window.innerWidth * 2;
            canvas.height = window.innerHeight * 2;
            canvas.style.width = window.innerWidth + 'px';
            canvas.style.height = window.innerHeight + 'px';
            ctx.scale(2, 2);
            width = (canvas.width = window.innerWidth);
            height = (canvas.height = window.innerHeight);
            origin = {
                x: width / 2,
                y: height / 2
            };
            normal = {
                x: width / 2,
                y: height / 2
            };
        }
        class Ball {
            constructor(x = origin.x, y = origin.y) {
                this.x = x;
                this.y = y;
                this.angle = Math.PI * 2 * Math.random();
                if (longPressed == true) {
                    this.multiplier = randBetween(14 + multiplier, 15 + multiplier);
                } else {
                    this.multiplier = randBetween(6, 12);
                }
                this.vx = (this.multiplier + Math.random() * 0.5) * Math.cos(this.angle);
                this.vy = (this.multiplier + Math.random() * 0.5) * Math.sin(this.angle);
                this.r = randBetween(8, 12) + 3 * Math.random();
                this.color = colours[Math.floor(Math.random() * colours.length)];
            }
            update() {
                this.x += this.vx - normal.x;
                this.y += this.vy - normal.y;
                normal.x = -2 / window.innerWidth * Math.sin(this.angle);
                normal.y = -2 / window.innerHeight * Math.cos(this.angle);
                this.r -= 0.3;
                this.vx *= 0.9;
                this.vy *= 0.9;
            }
        }

        function pushBalls(count = 1, x = origin.x, y = origin.y) {
            for (let i = 0; i < count; i++) {
                balls.push(new Ball(x, y));
            }
        }

        function randBetween(min, max) {
            return Math.floor(Math.random() * max) + min;
        }

        function loop() {
            ctx.fillStyle = "rgba(255, 255, 255, 0)";
            ctx.clearRect(0, 0, canvas.width, canvas.height);
            for (let i = 0; i < balls.length; i++) {
                let b = balls[i];
                if (b.r < 0) continue;
                ctx.fillStyle = b.color;
                ctx.beginPath();
                ctx.arc(b.x, b.y, b.r, 0, Math.PI * 2, false);
                ctx.fill();
                b.update();
            }
            if (longPressed == true) {
                multiplier += 0.2;
            } else if (!longPressed && multiplier >= 0) {
                multiplier -= 0.4;
            }
            removeBall();
            requestAnimationFrame(loop);
        }

        function removeBall() {
            for (let i = 0; i < balls.length; i++) {
                let b = balls[i];
                if (b.x + b.r < 0 || b.x - b.r > width || b.y + b.r < 0 || b.y - b.r > height || b.r < 0) {
                    balls.splice(i, 1);
                }
            }
        }
    })();

    /** 看板猫 */
    (function kanban(){
        var width = 300;
        var height = 400;
        var modelName = "tororo";
        var headPos = 0.5;
        var scaling = 2;
        var opacityDefault = 0.7;
        var opacityHover = 1;
        var modelUrl="./assets/name/name.model.json";
        document.getElementById("live2dcanvas").style.width = width + 'px';
        document.getElementById("live2dcanvas").style.height = height + 'px';
        modelUrl = modelUrl.replace(/name/g, modelName);
        console.log(modelUrl);
        // 传入id, 模型path, 重心， 缩放， 默认透明， hover透明度
        loadlive2d("live2dcanvas", modelUrl);
    })();

</script>
</body>
</html>